Home / 1,337,978.84-1,846,411.77-726,131.45

Finding the Fourth Proportional to 1,337,978.84, 1,846,411.77 and 726,131.45

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Solution

The fourth proportional to 1,337,978.84, 1,846,411.77 and 726,131.45 is: 1,002,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,978.84 : 1,846,411.77 = 726,131.45 : x
  2. Step 2: Convert to fraction form
    1,337,978.84/1,846,411.77 = 726,131.45/x
  3. Step 3: Cross multiply
    1,337,978.84x = 1,846,411.77 × 726,131.45
  4. Step 4: Simplify right side
    1,337,978.84x = 1,340,737,646,615.11
  5. Step 5: Solve for x
    x = 1,340,737,646,615.11/1,337,978.84
  6. Step 6: Final answer
    x = 1,002,061.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.